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Share-based Compensation - Restricted Shares (Details) - Restricted Shares
¥ in Thousands
12 Months Ended
Dec. 31, 2021
CNY (¥)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Aggregate fair value of Founders' Equity ¥ 79,463
Series A Preferred Shares  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Equity method investee, ownership percentage 50.00%
Vesting period of Founders Equity 2 years